# Poly Mailers Co-Ex LDPE Blue Mailing Bags with Self-Adhesive Seal

## Custom Envelope Poly Mailing Bags Overview

Discover our high-quality Custom Envelope Poly Mailing Bags designed for secure and efficient shipping, mailing, and ad packaging applications. Crafted from durable Co-EX LDPE material, these mailers provide reliable protection for a wide variety of items during transit. Featuring a self-adhesive seal with destructive glue, they offer a strong closure that ensures contents remain safely enclosed throughout delivery.

## Key Features and Advantages

-   Sturdy Co-EX LDPE construction with firmly sealed edges that are difficult to break.
-   High-slip poly material allows for faster, easier product insertion.
-   Quick and easy peel-and-seal closure equipped with strong hot-melt glue that cannot be easily opened.
-   Offset and gravure printing capabilities supporting from 0 to 10 colors, CMYK, or Pantone color options.

## Specifications

**Product Name:** Custom Envelope Poly Mailing Bags

**Material:** Co-EX LDPE

**Sizes Available:** 6x10 Inches, 10x13 Inch, 15\*25 Inches, A3, A4, A5, or custom sizes up to a max length of 65+10cm

**Colors:** Rose Gold, Blue, Purple, Green, Gold, Yellow, and customized color options

**Sealing Type:** Self-adhesive seal with destructive glue

**Printing Handling:** Offset printing and gravure printing (0-10 colors, CMYK or Pantone)

## Use Cases

These versatile mailing bags are ideal for industrial and commercial packaging applications. They are commonly used by businesses to ship clothes, mobile phones, electronic products, photo frames, cosmetics, and jewelry securely.

## Frequently Asked Questions

### What material are the poly mailers made of?

They are manufactured using durable Co-EX LDPE (Low-Density Polyethylene) material.

### Are the mailing bags customizable?

Yes, customized sizes, colors, and logos with offset or gravure printing are fully accepted.

### What type of closure do these mailers use?

They feature a secure self-adhesive seal utilizing strong destructive glue to prevent unauthorized opening.

### What items can be packaged in these bags?

They are suitable for packing clothes, mobile phones, electronics, cosmetics, jewelry, and photo frames.

## Details

- **Price:** 0.14 EUR
- **Vendor:** Tidesmit
- **Type:** Poly Mailers
- **Tags:** MAILERS

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Blue / 14.5X19+1.57'' | 0.14 EUR | In stock |

## Images

- Blue poly mailer envelope, plain shipping bag with folded open end
- Assorted poly mailer envelopes in blue and purple, plain shipping bags
- Black poly mailer shipping bag held with thumbs-up, sealed top fold
- Poly mailer production workshop with packing machines and stacked materials
- Team photo at packaging facility, group standing indoors
- Packaging facility exterior and group photo with workers in uniforms
- Blue poly mailer envelope with gray seal strip, flat folded shipping bag

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> Source: [Tidesmit](https://tidesmit.com/products/bulk-wholesale-blue-poly-mailer-plain-co-extruded-for-express-packing-envelope-shipping-mailing-bag-poly-mailer)
> Updated: 2026-09-18